CN1070136A - Special numerically controlled vertical miller - Google Patents
Special numerically controlled vertical miller Download PDFInfo
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- CN1070136A CN1070136A CN 92107509 CN92107509A CN1070136A CN 1070136 A CN1070136 A CN 1070136A CN 92107509 CN92107509 CN 92107509 CN 92107509 A CN92107509 A CN 92107509A CN 1070136 A CN1070136 A CN 1070136A
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Abstract
Special numerically controlled vertical miller is a kind of lathe of milling special shape workpiece, is the lathe that machining cam is particularly processed various high precision globoidal cams, cylindrical cam.It has Workpiece Rotating coordinate and main axis rotation coordinate, and the main axis rotation coordinate is fixed on the lathe bed, and main axis rotation coordinate rotating shaft (B axle) head end is fixedlyed connected with the main shaft body, and main shaft is swung around the shaft.Main axis rotation coordinate, Workpiece Rotating coordinate, worktable length feed and traverse feed are four-axle linked, adopt U.S. A-B8400MP digital control system, be exclusively used in the various space cams of processing, structure is simple, making is easier to, cost is lower, has the function of general NC vertical milling machine simultaneously.
Description
Special numerically controlled vertical miller is a kind of lathe of milling special shape workpiece, is the lathe that machining cam is particularly processed different shape globoidal cam, cylindrical cam.
Globoidal cam, cylindrical cam etc. are the very complicated space cams of shape, need just can process with the peculair motion mode, adopting machine tool or general NC machine tooling very difficult, almost is impossible, even process, machining precision also is difficult to reach requirement, the horizontal special purpose machine tool of KFG500 type of West Germany PRAWEMA company at present domesticly still finds no the production of this kind lathe, though can be processed globoidal cam, complex structure, it is difficult to make, and cost is higher.
The objective of the invention is: a kind of technical scheme of dedicated numerical control vertical machine is provided, and it has Workpiece Rotating coordinate (A axle) and main axis rotation coordinate (B axle), be exclusively used in processing various space cams, structure simple, make and be easier to, cost is lower.Function with general NC vertical milling machine.
Embodiment of the present invention are: special numerically controlled vertical miller XK5001 is the improvement to the XK-5032 nC vertical milling machine of Nantong machine tool plant, lathe bed, base, lifting table, worktable, lubricated and cooling segment is basic identical with XK-5032, it has base, lathe bed, lifting table, worktable, Workpiece Rotating coordinate (A axle), cooling, lubricates and automatically controlled part.Base and lathe bed rigid attachment, guide rail before lifting table and the lathe bed is connected, handle drives bevel gear and elevating screw makes lifting table move along guide rail is vertical, worktable places on the horizontal guide rail of lifting table by saddle, Workpiece Rotating coordinate and tailstock place on the worktable, control box and heavy current box are contained in the both sides of lathe bed, flexibly connect by cantilever and rotating disk and control box at the control box of CRT display screen, can rotate arbitrarily, control system has U.S. AROCKWELL, INTER-NATIOAL, the A-B8400MP system of COMPANY and the external communications equipment that has the RS-232C interface, six functions that control is four-axle linked are arranged, be fixed with main axis rotation coordinate (B axle) above the lathe bed, main axis rotation rotation of coordinate axle front end is fixedlyed connected with main shaft, main shaft is around rotation axis oscillating, by digital control system A-B8400MP control, main axis rotation coordinate (B axle), Workpiece Rotating coordinate (A axle), worktable length feed (X-axis) and traverse feed (Y-axis) are four-axle linked.Turning axle is contained in the main axis rotation coordinate main body with ball bearing, the afterbody of main axis rotation rotation of coordinate axle is equipped with the high precision worm gear, the angle detection device pulse encoder is contained on the servo motor shaft, as position feedback (so-called half-closed loop control), B axle servomotor is by the two helical pitch Worm screw and worm-gear drive driven in rotation axles of high precision.The rotation of main shaft is directly driven through a pair of arc toothed belt wheel deceleration by the stepless change of frequency converter GF control common asynchronous moter.Worktable X-axis and Y-axis drive a pair of profile of tooth belt wheel by the wide range speed control AC servo motor and ball screw is paid driving, and axle head (afterbody) is equipped with pulse encoder in the servomotor.The spindle swing angle is ± 45 °.
Automatically controlled part has heavy-current control loop, ac control circuit, digital control system and main shaft frequency conversion drive four major parts.Cooling motor M2, lubrication motor M3 are opened by ac control circuit control or are left alone without help, ac control circuit is powered simultaneously to main shaft variable frequency drives GF, slaving transformer T1 and control transformer T2, control transformer T2 provides power supply for numerical control system electric power 8410PSB, total system is only used an auxiliary reclay KA1, and other includes Controlled by Programmable Controller by digital control system A-B8400MP.
Major advantage of the present invention is: spindle drive combines with common asynchronous moter with a pair of arc toothed belt wheel, and efficient height, rotation are than accurate, little, the stable drive of noise.Main axis rotation coordinate position feedback information system is a half-closed loop control, stable performance, precision height.Utilize Workpiece Rotating coordinate (A axle), main axis rotation coordinate (B axle) and table feed (X-axis, Y-axis), be specially adapted to various cams, volute space cam and the cylindrical space cam of machining shape complexity, owing to adopted the A-B8400MP digital control system, controlled four-axle linked, for the user provides program capability very easily, system includes Programmable Logic Controller, make the empty system of forceful electric power software implementation, auxiliary reclay control and a large amount of connecting line have been saved, the increase and decrease function changes software and gets final product, very convenient, machine volume is less, weight is light, manufacturing is easier to.Operate more flexiblely, bearing accuracy and repetitive positioning accuracy height have the function of general nC vertical milling machine simultaneously, and the function that also has general digital control vertical lathe not had, as process inclined-plane, inclined hole etc. at any angle.
The present invention is further described below in conjunction with drawings and Examples:
Fig. 1-the 1st, the special numerically controlled vertical miller front elevation, among the figure 9, worktable, 10, heavy current box, 11, the lifting table lifting handle, 13, base, 14, lathe bed, 15, Workpiece Rotating coordinate (A axle), 16, the display operation case, 17, electric control box, worktable places on the horizontal guide rail of lifting table by saddle, rectangular guideway before lifting table and the lathe bed is connected, drives bevel gear and elevating screw makes lifting table vertical mobile along rectangular guideway by the lifting table lifting handle, and base and lathe bed are rigidly connected, Workpiece Rotating coordinate and tailstock place on the worktable, can adorn or tear open, do not influence other any axle, control box and heavy current box are contained in the both sides of lathe bed, the display operation case can rotate arbitrarily by cantilever and rotating disk and control box flexible connection.Fig. 1-2 is the special numerically controlled vertical miller side view, among the figure 1, horizontal adjustment bolt, 2, main shaft lift adjustment handle, 3, the main shaft body, 4, rectangular guideway, 5, main axis rotation coordinate body, 6, asynchronous machine, 7, lifting table, 8, B axle servomotor, 12, counterweight, have 4 horizontal adjustment bolt to be used for the adjustment level on the base, main shaft lift adjustment handwheel is through worm gear, worm screw drives the main shaft lifter wheel and realizes the main shaft lifting, and the frequency converter of frequency control motor is subjected to the digital control system main controller controls, adopt the speed governing of positive controling voltage value mode, through a pair of arc toothed belt wheel direct drive shaft of slowing down.Fig. 1-the 3rd, special numerically controlled vertical miller transmission diagrammatic sketch is among the figure 18, the cog belt driving wheel, 19, main axis rotation rotation of coordinate axle, 20, worm gear, 21, two helical pitch worm screws, 22, the lifting table drive bevel gear, 23, the lifting table driven wheel of differential, 24, the lifting table screw mandrel, 25, the lifting table nut, 26, the cog belt engaged wheel, 27, main shaft, 28, rack sleeve, 29, the main shaft lifter wheel, 30, the main shaft elevating endless screw, 31, main shaft lifting worm gear, 32, the X-axis ball screw, 33, X-axis cog belt engaged wheel, 34, X-axis cog belt driving wheel, 35, the Y-axis ball screw nut, 36, the hand axle of lifting table, 37, the Y-axis ball screw.The servoamplifier of B axle servomotor 8 is subjected to the digital control system main controller controls, pay the turning axle 19(B axle of drive shaft rotational coordinates by two helical pitch worm gear (20) worm screws (21) of a pair of high precision), drive main shaft around rotation axis oscillating, the afterbody of turning axle is equipped with high precision worm gear and B axle limit switch, the pulse encoder of detection angles is contained on the servo motor shaft, feedback as positional information, constitute half-closed loop control, scrambler gained information feedback is given the digital control system master controller, and control servoamplifier and servomotor, improved control accuracy, two helical pitch worm and gears of Pyatyi precision are paid by Yantai Machine Tool Fitting Factory and are produced.
Fig. 1-the 4th, main axis rotation coordinate configuration diagram, among the figure 38, bearing gland, 39, O-ring seal, 40, outer sleeve, 41, inner sleeve, 42, suspension ring, 43, bearing, 44, nut, 45, holding screw, 46, locking briquetting, 47, main axis rotation coordinate body, 48, main axis rotation rotation of coordinate axle, 49, bearing, 50, worm gear case, 51, nut, 52, packing ring, 53, saturating lid, 54, outer cover, 55, O-ring seal, 56, limit switch, 57, the limit switch collision block, 58, cover, 59, stifle, 60, nut, 61, key.Main axis rotation coordinate body is fixed in above the lathe bed, and the front end of main axis rotation rotation of coordinate axle is fixedlyed connected with the main shaft body with screw.
Fig. 1-the 5th, the main axle structure diagrammatic sketch, among the figure 62, the scale screw rod, 63, the vernier cover, 64, bearing; Fig. 1-the 6th, the lifting table configuration diagram, among the figure 65, the lifting table set lever, 66, the Y-axis set lever, 67, Y-axis feeding handwheel, 67a, servomotor, 67b, driving-belt; Fig. 1-the 7th, the Working table structure diagrammatic sketch, among the figure 68, X-axis feeding handle, 69, index dial, 70, saddle, 71, the X-axis servomotor, 72, the belt wheel casing.X-axis servomotor 71 is the wide range speed control AC servo motor, and X-axis servomotor afterbody is equipped with pulse encoder, constitutes the half-closed loop control system.The position of scrambler and velocity information are sent into the digital control system master controller.Servomotor drives ball screw through annular wheel and pays 32 driving worktable.
Workpiece Rotating coordinate (A axle), it is a fully independently coordinate, promptly install or remove and do not influence other axles, it is made of wide range speed control AC servo motor, NC dividing head and pulse encoder, scrambler gained position and velocity information feed back to master controller and remove to control servoamplifier and servomotor, and servomotor is paid by bevel gear and worm and gear and driven the A axle.
Cooling system is made up of cooling pump, rising pipe, return pipe, switch and nozzle, and cooling pump is installed in the lathe base inner chamber, also has liquid storage tank in the base.
Lubricating system is made up of automatic intermittent oilling oil pump, separator, throttling valve, oil pipe, and lubricating system has self-lubrication and periodic lubrication, and table slide, saddle guide rail, X-axis and Y-axis leading screw are self-lubrication.
Fig. 2-1 is the electric control theory block diagram, and OE is an external communications equipment among the figure, counts mark machine etc. as IBMPC.Control system adopts the A-B8400MP system of U.S. AROCKWELL INTERNATIONAL COM-PUNY, and there are master controller CPU/CRT, display and keyboard C/K, system power supply 8410PSB, servo power supply and amplifier 1389P/1389A, servomotor 1326, I/O template I/O, slaving transformer T1, control transformer T2 and scrambler U in this system.GF is a frequency converter, and M1 is a common asynchronous moter.
Fig. 2-2 is strong circuit diagram; QF1 is a total power switch among the figure; M2 is a fluid-cooled electrical machine; Fig. 2-the 3rd, the AC power control chart; M3 is a lubrication motor; Fig. 2-the 4th, the DC circuit control chart; SB1 is an emergency stop switch, FR1; FR2; FR3 is respectively M1; M2; the corresponding heat portective switch of T1, KA1 is an auxiliary reclay; Fig. 2-the 5th, the spindle rotating direction operation circuit; Fig. 2-the 6th, servo driving circuit, wherein each 1389-A servo amplification unit of axle and 1326 servomotors, the drive end dr0 of master controller; dr1; dr2; dr3; dr5; the corresponding X of difference; Y; Z; A; the B axle; FBR is the lead end that tests the speed, and PWR is the motor down-lead end.Fig. 2-the 7th, the scrambler wiring diagram, wherein lead end Fb0, Fb1, Fb2, Fb3, Fb5 distinguish corresponding X, Y, Z, A, B axle, Fig. 2-the 8th, main shaft drives figure.The 8410PSB system power supply to master controller CPU/CRT provide+5V ,+15V ,-15V and provide+the 5V power supply to I/O template I/O, 8410PSB also provides+and 24V is to DC control circuit, CPU is connected with the corresponding in twos of P2 with CRT interface P1, CRT interface P6, P7 and cpu i/f are linked I/O, CRT interface P1 receives the corresponding jack of C/K, the interface P7 of C/K links I/O, and the electric hand wheel is linked the Fb6 of CRT, Fig. 2-the 9th, guidance panel figure.
System acting process: normal conditions QF2 and QF3 are in closure state, after connecting total power switch QF1, system diagnoses voluntarily, if all are normal, can enter operate as normal after several seconds, press the EXIT key, key in user code, pull out emergency stop switch SB1, KA1 and KM1 get, finish servo startup, allow main shaft to rotate, simultaneously fluid-cooled electrical machine, lubrication motor running; By advancing emergency stop switch, servo-drive system disconnects, and the main shaft stall is in the anxious state that stops.
Claims (4)
1, special numerically controlled vertical miller has the end to sit, lathe bed, lifting table, worktable, the Workpiece Rotating coordinate, cooling, lubricate and automatically controlled part, base and lathe bed are rigidly connected, guide rail before lifting table and the lathe bed is connected, worktable places on sailor's guide rail of lifting table by saddle, Workpiece Rotating coordinate and tailstock place on the worktable, control box and heavy current box are contained in the both sides of lathe bed, there is the control box of CRT display screen to use cantilever and rotating disk and control box to flexibly connect, digital control system has U.S. A-B8400MP and has the external unit of RS-232 interface, it is characterized in that: be fixed with the main axis rotation coordinate above the lathe bed, main axis rotation rotation of coordinate axle front end is fixedlyed connected with the main shaft body, main shaft is around rotation axis oscillating, by digital control system A-B8400MP control, main axis rotation coordinate, the Workpiece Rotating coordinate, worktable length feed and traverse feed are four-axle linked.
2, according to the described special numerically controlled vertical miller of claim 1, it is characterized in that: turning axle is contained in the main axis rotation coordinate body with ball bearing, the afterbody of main axis rotation rotation of coordinate axle is equipped with the high precision worm gear, angle test element pulse encoder is contained on the servo motor shaft, and B axle servomotor is by the two helical pitch Worm screw and worm-gear drive driven in rotation axles of high precision.
3, according to the described special numerically controlled vertical miller of claim 1, it is characterized in that: the rotation of main shaft is directly driven through a pair of arc toothed belt wheel deceleration by the stepless change of frequency converter GF control common asynchronous moter.
4, according to the described special numerically controlled vertical miller of claim 1, it is characterized in that: the spindle swing angle is ± 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92107509 CN1070136A (en) | 1992-04-09 | 1992-04-09 | Special numerically controlled vertical miller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92107509 CN1070136A (en) | 1992-04-09 | 1992-04-09 | Special numerically controlled vertical miller |
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| Publication Number | Publication Date |
|---|---|
| CN1070136A true CN1070136A (en) | 1993-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92107509 Pending CN1070136A (en) | 1992-04-09 | 1992-04-09 | Special numerically controlled vertical miller |
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|---|---|
| CN (1) | CN1070136A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080901C (en) * | 1998-03-23 | 2002-03-13 | 财团法人工业技术研究院 | Figure dialogue type milling machine control system and its operation method |
| CN100448609C (en) * | 2005-08-05 | 2009-01-07 | 大连机床集团有限责任公司 | Middle and low profile digital control processing center |
| CN102152091A (en) * | 2011-03-19 | 2011-08-17 | 上海规程精密机械有限公司 | Four-axis linkage type numerical control machine tool for cutter machining |
| CN102463374A (en) * | 2010-11-17 | 2012-05-23 | 上海谱港机床有限公司 | Vertical lifting platform numerically controlled fraise machine applicable to heavy cutting |
| CN102528133A (en) * | 2011-12-30 | 2012-07-04 | 杭州兴源过滤科技股份有限公司 | Numerical control planer type milling machine |
| CN103962892A (en) * | 2014-04-14 | 2014-08-06 | 广西大学 | Multi-degree-of-freedom rotating guide cantilever-type tool |
| CN107598588A (en) * | 2017-08-07 | 2018-01-19 | 深圳市博视科技有限公司 | Numerical control device and its four axial brake devices |
| CN108500396A (en) * | 2018-04-17 | 2018-09-07 | 佛山市二轴半科技有限公司 | A kind of special vertical CNC milling machine for line gear processing |
| CN111922392A (en) * | 2020-08-13 | 2020-11-13 | 广州达意隆包装机械股份有限公司 | Vertical machining center and cam machining method |
-
1992
- 1992-04-09 CN CN 92107509 patent/CN1070136A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080901C (en) * | 1998-03-23 | 2002-03-13 | 财团法人工业技术研究院 | Figure dialogue type milling machine control system and its operation method |
| CN100448609C (en) * | 2005-08-05 | 2009-01-07 | 大连机床集团有限责任公司 | Middle and low profile digital control processing center |
| CN102463374A (en) * | 2010-11-17 | 2012-05-23 | 上海谱港机床有限公司 | Vertical lifting platform numerically controlled fraise machine applicable to heavy cutting |
| CN102463374B (en) * | 2010-11-17 | 2013-07-10 | 上海谱港机床有限公司 | Vertical lifting platform numerically controlled fraise machine applicable to heavy cutting |
| CN102152091A (en) * | 2011-03-19 | 2011-08-17 | 上海规程精密机械有限公司 | Four-axis linkage type numerical control machine tool for cutter machining |
| CN102528133A (en) * | 2011-12-30 | 2012-07-04 | 杭州兴源过滤科技股份有限公司 | Numerical control planer type milling machine |
| CN103962892A (en) * | 2014-04-14 | 2014-08-06 | 广西大学 | Multi-degree-of-freedom rotating guide cantilever-type tool |
| CN103962892B (en) * | 2014-04-14 | 2016-05-25 | 广西大学 | Rotate freely guiding cantilevered cutter more |
| CN107598588A (en) * | 2017-08-07 | 2018-01-19 | 深圳市博视科技有限公司 | Numerical control device and its four axial brake devices |
| CN108500396A (en) * | 2018-04-17 | 2018-09-07 | 佛山市二轴半科技有限公司 | A kind of special vertical CNC milling machine for line gear processing |
| CN111922392A (en) * | 2020-08-13 | 2020-11-13 | 广州达意隆包装机械股份有限公司 | Vertical machining center and cam machining method |
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